Best Steam Includes Source SDK Games
| Name | Release Date | Current Players | All-Time Peak | Rating | |
|---|---|---|---|---|---|
|
Left 4 Dead 2 | 16 Nov, 2009 | 22 811 | 69 939 | 96.78 |
|
Garry's Mod | 29 Nov, 2006 | 22 378 | 38 330 | 96.09 |
|
Counter-Strike: Source | 1 Nov, 2004 | 13 492 | 18 195 | 95.06 |
|
Half-Life 2 | 16 Nov, 2004 | 2 984 | 54 831 | 96.46 |
|
Black Mesa | 6 Mar, 2020 | 710 | 4 208 | 93.93 |
|
Portal | 10 Oct, 2007 | 632 | 2 092 | 97.18 |
|
No More Room in Hell | 31 Oct, 2013 | 513 | 2 119 | 88.52 |
|
Left 4 Dead | 17 Nov, 2008 | 511 | 2 213 | 94.65 |
|
Day of Defeat: Source | 12 Jul, 2010 | 284 | 677 | 89.62 |
|
Half-Life 2: Deathmatch | 1 Nov, 2004 | 210 | 1 230 | 88.44 |
|
Alien Swarm: Reactive Drop | 20 Apr, 2017 | 209 | 664 | 92.71 |
|
Menace from the Deep | 2024 | 125 | 1 518 | 81.13 |
|
Astro Colony | 7 Nov, 2022 | 96 | 742 | 79.12 |
|
Fistful of Frags | 9 May, 2014 | 88 | 206 | 89.60 |
|
Pool Nation FX Lite | 7 Dec, 2015 | 79 | 308 | 70.42 |
|
Selaco | 30 May, 2024 | 56 | 1 104 | 88.20 |
|
Half-Life 2: Episode Two | 10 Oct, 2007 | 48 | 530 | 95.15 |
|
Zombie Panic! Source | 3 Oct, 2008 | 35 | 74 | 82.28 |
|
Pirates, Vikings, and Knights II | 12 Feb, 2010 | 18 | 65 | 84.93 |
|
Day of Infamy | 23 Mar, 2017 | 18 | 64 | 80.86 |